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Q.

Check if the given statement is true/false.


When we say the length of a ribbon is 3 m, here 3 is the unit and metre is the magnitude.


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
3 is the size of the physical quantity considered. In this case, 3 is the length size.
At 3 metres, 3 means magnitude and metre means units. It means that the table is 3 metres long. The length of an object is more than the breadth, so the side which is longer is its length, whose measure here are 3 metres.
The corrected statement would be in 3 metres; 3 means magnitude, and metre means units.
 
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